ISO 994-1973 标准详情
- 标准号:ISO 994-1973
- 中文标题:工业用氢氧化钾.铁含量的测定.1,10-菲罗啉光度法
- 英文标题:potassium hydroxide for industrial use-determination of iron content-1,10-phenanthroline photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1973-04-15
Describes a method that is more sensitive and more widely used than the 2,2''-bipyridyl method. It is applicable to products having iron contents equal to or greater than 0.3 mg/kg. The principle is based on the reduction of iron(III) by hydroxylam
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